Callidus Design has been appointed by Crownhouse Technologies, part of the Laing O’Rourke group, to provide the design checking service for the new Encapsulated Product Store (EPS3) at Sellafield, Cumbria for British Nuclear Fuels. Callidus Design are required to perform the checking service for the Mechanical, Electrical and Controls installations which will form the storage facility for spent nuclear waste.